Densitometer
Last update: September 11th, 2021
- Descriptions:
- is a device that measures the degree of darkness (the optical density) of a photographic or semitransparent material or of a reflecting surface. The densitometer is basically a light source aimed at a photoelectric cell. It determines the density of a sample placed between the light source and the photoelectric cell from differences in the readings.
1563
QTY:
Read more